package com.wolfpire.system.common;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;

public class AddressUtils {  
	 /**
	  * 
	  * @param content
	  *            请求的参数 格式为：name=xxx&pwd=xxx
	  * @param encoding
	  *            服务器端请求编码。如GBK,UTF-8等
	  * @return
	  * @throws UnsupportedEncodingException
	  */
	 public static String getAddresses(String content, String encodingString)
	   throws UnsupportedEncodingException {
	  // 这里调用pconline的接口
	  String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
	  // 从http://whois.pconline.com.cn取得IP所在的省市区信息
	  String returnStr = getResult(urlStr, content, encodingString);
	  if (returnStr != null) {
	   // 处理返回的省市区信息
	   String[] temp = returnStr.split(",");
	   if(temp.length<3){
	    return "0";//无效IP，局域网测试
	   }
	   String region = (temp[5].split(":"))[1].replaceAll("\"", "")+","+(temp[7].split(":"))[1].replaceAll("\"", "");
	   region = decodeUnicode(region);// 省份
	   if(((temp[5].split(":"))[1].replaceAll("\"", "")).equals("")){
		   region = decodeUnicode((temp[1].split(":"))[2].replaceAll("\"", ""));// 国名
	   }
	   if(((temp[11].split(":"))[1].replaceAll("\"", "")).equals("")){
		   region += ";未知";
	   }else{
		   region += ";"+decodeUnicode((temp[11].split(":"))[1].replaceAll("\"", ""));
	   }
	   
	   /**
	    * String country = ""; String area = ""; String region = ""; String
	    * city = ""; String county = ""; String isp = ""; for(int i=0;i<temp.length;i++){
	    * switch(i){ case 1:country =
	    * (temp[i].split(":"))[2].replaceAll("\"", ""); country =
	    * decodeUnicode(country);//国家 break; case 3:area =
	    * (temp[i].split(":"))[1].replaceAll("\"", ""); area =
	    * decodeUnicode(area);//地区 break; case 5:region =
	    * (temp[i].split(":"))[1].replaceAll("\"", ""); region =
	    * decodeUnicode(region);//省份 break; case 7:city =
	    * (temp[i].split(":"))[1].replaceAll("\"", ""); city =
	    * decodeUnicode(city);//市区 break; case 9:county =
	    * (temp[i].split(":"))[1].replaceAll("\"", ""); county =
	    * decodeUnicode(county);//地区 break; case 11:isp =
	    * (temp[i].split(":"))[1].replaceAll("\"", ""); isp =
	    * decodeUnicode(isp);//ISP公司 break; } }
	    */
	   // System.out.println(country+"="+area+"="+region+"="+city+"="+county+"="+isp);
	   return region;
	  }
	  return null;
	 }
	 /**
	  * @param urlStr
	  *            请求的地址
	  * @param content
	  *            请求的参数 格式为：name=xxx&pwd=xxx
	  * @param encoding
	  *            服务器端请求编码。如GBK,UTF-8等
	  * @return
	  */
	 private static String getResult(String urlStr, String content, String encoding) {
	  URL url = null;
	  HttpURLConnection connection = null;
	  try {
	   url = new URL(urlStr);
	   connection = (HttpURLConnection) url.openConnection();// 新建连接实例
	   connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒
	   connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒
	   connection.setDoOutput(true);// 是否打开输出流 true|false
	   connection.setDoInput(true);// 是否打开输入流true|false
	   connection.setRequestMethod("POST");// 提交方法POST|GET
	   connection.setUseCaches(false);// 是否缓存true|false
	   connection.connect();// 打开连接端口
	   DataOutputStream out = new DataOutputStream(connection
	     .getOutputStream());// 打开输出流往对端服务器写数据
	   out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx
	   out.flush();// 刷新
	   out.close();// 关闭输出流
	   BufferedReader reader = new BufferedReader(new InputStreamReader(
	     connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据
	   // ,以BufferedReader流来读取
	   StringBuffer buffer = new StringBuffer();
	   String line = "";
	   while ((line = reader.readLine()) != null) {
	    buffer.append(line);
	   }
	   reader.close();
	   return buffer.toString();
	  } catch (IOException e) {
	   e.printStackTrace();
	  } finally {
	   if (connection != null) {
	    connection.disconnect();// 关闭连接
	   }
	  }
	  return null;
	 }
	 /**
	  * unicode 转换成 中文
	  * 
	  * @author fanhui 2007-3-15
	  * @param theString
	  * @return
	  */
	 public static String decodeUnicode(String theString) {
	  char aChar;
	  int len = theString.length();
	  StringBuffer outBuffer = new StringBuffer(len);
	  for (int x = 0; x < len;) {
	   aChar = theString.charAt(x++);
	   if (aChar == '\\') {
	    aChar = theString.charAt(x++);
	    if (aChar == 'u') {
	     int value = 0;
	     for (int i = 0; i < 4; i++) {
	      aChar = theString.charAt(x++);
	      switch (aChar) {
	      case '0':
	      case '1':
	      case '2':
	      case '3':
	      case '4':
	      case '5':
	      case '6':
	      case '7':
	      case '8':
	      case '9':
	       value = (value << 4) + aChar - '0';
	       break;
	      case 'a':
	      case 'b':
	      case 'c':
	      case 'd':
	      case 'e':
	      case 'f':
	       value = (value << 4) + 10 + aChar - 'a';
	       break;
	      case 'A':
	      case 'B':
	      case 'C':
	      case 'D':
	      case 'E':
	      case 'F':
	       value = (value << 4) + 10 + aChar - 'A';
	       break;
	      default:
	       throw new IllegalArgumentException(
	         "Malformed      encoding.");
	      }
	     }
	     outBuffer.append((char) value);
	    } else {
	     if (aChar == 't') {
	      aChar = '\t';
	     } else if (aChar == 'r') {
	      aChar = '\r';
	     } else if (aChar == 'n') {
	      aChar = '\n';
	     } else if (aChar == 'f') {
	      aChar = '\f';
	     }
	     outBuffer.append(aChar);
	    }
	   } else {
	    outBuffer.append(aChar);
	   }
	  }
	  return outBuffer.toString();
	 }
	 // 测试
	 @SuppressWarnings("static-access")
	public static void main(String[] args) {
	  AddressUtils addressUtils = new AddressUtils();
	  // 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信
	  String ip = "218.106.154.114";
	  //String ip = "90.208.29.181";
	  String address = "";
	  try {
	   address = addressUtils.getAddresses("ip="+ip, "utf-8");
	  } catch (UnsupportedEncodingException e) {
	   // TODO Auto-generated catch block
	   e.printStackTrace();
	  }
	  System.out.println(address);
	  // 输出结果为：广东省,广州市,越秀区
	 }
	}  
